13-letter words containing h, o, r, t
- catastrophize — (obsolete) To end a comedy.
- catcher's box — box1 (def 16d).
- cathodography — the process or practice of taking photographs using cathode rays
- cecropia moth — a large North American saturniid moth, Hyalophora (or Samia) cecropia, with brightly coloured wings and feathery antennae
- cephalometric — Relating to cephalometrics.
- cephalothorax — the anterior part of many crustaceans and some other arthropods consisting of a united head and thorax
- chaetophorous — bearing bristles; setigerous.
- chain reactor — reactor (def 4).
- chalicotheres — Plural form of chalicothere.
- chapter house — A chapter house is the building or set of rooms in the grounds of a cathedral where the members of the clergy hold their meetings.
- charles abbot — Charles Greeley, 1872–1973, U.S. astrophysicist.
- charlottetown — a port in SE Canada, capital of the province of Prince Edward Island. Pop: 34 562 (2011)
- chart-topping — very popular; coming top in the charts
- chase mortise — a mortise having one inclined narrow side.
- checkout girl — a female employee who works on a supermarket checkout
- cheiromantist — A chiromancer.
- chemautotroph — an organism, such as a bacterium, that obtains its energy from inorganic reactions using simple compounds, such as ammonia or hydrogen sulphide
- chemisorption — an adsorption process in which an adsorbate is held on the surface of an adsorbent by chemical bonds
- chemoreceptor — a sensory receptor in a biological cell membrane to which an external molecule binds to generate a smell or taste sensation
- cherry tomato — a miniature tomato not much bigger than a cherry
- chiaroscurist — A painter who uses light and shade rather than colour to create the illusion of volume.
- child support — If a parent pays child support, they legally have to pay money to help provide things such as food and clothing for a child with whom they no longer live.
- chirographist — a person who studies or who is knowledgeable about handwriting styles
- chiromantical — Of or pertaining to chiromancy.
- chiropractics — The practice of a chiropractor.
- chiropractors — Plural form of chiropractor.
- chlorargyrite — a mineral, the naturally occurring form of silver chloride, formed in the oxidation process of silver
- chloroacetone — a colorless, lachrymatory, poisonous liquid, C 3 H 5 ClO, used chiefly in organic synthesis and in the manufacture of insecticides and perfumes.
- chloroformist — a person who is skilled in the use of or who dispenses or provides chloroform as part of their job
- chloromethane — methyl chloride.
- chloromycetin — chloramphenicol
- chloroplastal — of or like a chloroplast
- chloroplastic — a plastid containing chlorophyll.
- chocolate bar — a block of chocolate
- choker-setter — (in logging) a worker whose job is to fasten a choker to logs.
- cholesteremia — cholesterolemia.
- chondromatous — a benign cartilaginous tumor or growth.
- choripetalous — polypetalous
- chrestomathic — (of teaching or learning) That has a practical use.
- christmas box — a tip or present given at Christmas, esp to postmen, tradesmen, etc
- chromatically — In a chromatic manner.
- chromaticness — the attribute of colour that involves both hue and saturation
- chromatograms — Plural form of chromatogram.
- chromatograph — a piece of equipment that provides the outcome of a chromatographic test
- chromatolysis — the dissolution of stained material, such as chromatin in injured cells
- chromatolytic — relating to chromatolysis
- chromatophile — Also, chromophilic, chromophilous [kroh-mof-uh-luh s] /kroʊˈmɒf ə ləs/ (Show IPA), chromatophilic, chromatophilous. staining readily.
- chromatophore — a cell in the skin of frogs, chameleons, etc, in which pigment is concentrated or dispersed, causing the animal to change colour
- chromesthesia — (neurology, psychology) sound-to-color synaesthesia.
- chromoprotein — any of a group of conjugated proteins, such as haemoglobin, in which the protein is joined to a coloured compound, such as a metal-containing porphyrin